The Edge of Time

The Edge of Time is a total conversion PK3 created by FireSeraphim for the GZDoom engine. It is a remake of one of FireSeraphim's earliest mods and contains 30 levels in total. It has a score system and several mechanics related to arcade gameplay and inventory management, with the levels being split across three episodes featuring many custom weapons and enemies. In beta since 2017, the latest version is 1.9r1 "Contra" from October 2020.

Levels
E1 - Jungle Fever: E2 - Not Egypt Again!: E3 - Armies of Darkness:
 * E1M1: Forest Outpost
 * E1M2: Murky Mainstay
 * E1M3: Deep in the Forest (secret exit to E1SM1)
 * E1M4: Storage and Shipping
 * E1M5: Up, Down and All Around (secret exit to E1SM2)
 * E1M6: Stormin' the Infernal Outpost
 * E1M7: Last Call
 * E1M8: True Evil Unleashed
 * E1SM1: Sanctum of the Old Ones
 * E1SM2: Deranged Demon Dwelling
 * E2M1: The Sacred Stronghold
 * E2M2: Ozymandias
 * E2M3: Canyon of Flames (secret exit to E2SM1)
 * E2M4: Village
 * E2M5: Desert Ruins
 * E2M6: Coastal City (secret exit to E2SM2)
 * E2M7: The Demon-Sphinx
 * E2M8: The Heart of Darkness
 * E2SM1: Easter Stone
 * E2SM2: An Aegean Adventure
 * E3M1: Lest Darkness Falls
 * E3M2: Siege
 * E3M3: The Confessor
 * E3M4: The Impaler (secret exit to E3SM1)
 * E3M5: The Abyss
 * E3M6: Joyeuse (secret exit to E3SM2)
 * E3M7: Corrupted Monastery
 * E3M8: The End of Roads
 * E3SM1: 2 Hectic 4 You
 * E3SM2: Eternal Aliens Switcheroo

Soundtrack

 * E1M1: "Anything but Tangerines" by, originally from 
 * E1M2: "Raptor Rap" by Jonathan Dunn, originally from  for
 * E1M3: "Silence" by, originally from 
 * E1M4: "Rain/The Citadel" by Ken Gouch
 * E1M5: "Inner City Walls" by, originally from 
 * E1M6: "Suspense!" by Rich Nagel (Weeds), originally from Eternal Doom
 * E1M7: "Departure" by Lee Jackson from Duke Nukem 3D, arranged by Scott Branston for the port
 * E1M8: "Mutation" by Aubrey Hodges, from PlayStation Doom
 * E1SM1: "Another Sickening Day (The Wizard's Manse)" by Aubrey Hodges, from the port of Quake
 * E1SM2: "Mad Monster Mansion themes" by, originally from 
 * E2M1: "Karnak" by Scott Branston, originally from 
 * E2M2: "Top of Saint Mountain" by Miyoko Kobayashi from ' and "Pyramid ~ Marana" by from '
 * E2M3: "Selkis Path" by Scott Branston, originally from PowerSlave
 * E2M4: "Thoth Treasure Reliquary" by Scott Branston, originally from PowerSlave
 * E2M5: "Wandering Spirits" by Miyoko Kobayashi, originally from Terranigma
 * E2M6: "Sekhmet" by Alistair Lindsay, originally from 
 * E2M7: "Desert Realm, Mystic Pyramid" by Joe Lyford, originally from 
 * E2M8: "Set Arena" by Scott Branston, originally from PowerSlave
 * E2SM1: "Easter Stone" from 
 * E2SM2: "Drive" by Kevin Schilder, originally from Heretic
 * E3M1: "Limestone Quarry" by Hitoshi Sakimoto, originally from Vagrant Story
 * E3M2: "Castle Realm, Castle Courtyard" by Joe Lyford, originally from 
 * E3M3: "Suspense Reprise" by Rich Nagel (Weeds)
 * E3M4: "Beginnings" from 
 * E3M5: "Equinox Medley" by and, from 
 * E3M6: "Treasury Room" from 
 * E3M7: "Barabbas" by Rich Nagel (Weeds)
 * E3M8: "Highland" and "Beigis' Castle" by Masamichi Amono, originally from 
 * E3SM1: Remix by MegatestRetro of "Nobody Told me about id" by Bobby Prince
 * E3SM2: "Searching" by Rich Nagel (Weeds) and "Flee" by Stuart Rynn (stewboy)